coun·ter·cur·rent (koun'tər-kûr'ənt, -kŭr'-) n. A current that flows in an opposite direction to the flow of another current. coun'ter·cur'rent adj., coun'ter·cur'rent·ly adv.
Main Entry: 1coun·ter·cur·rent Pronunciation: 'kaunt-&r-"k&r-&nt, -"k&-r&nt Function: noun : a currentflowing in a direction opposite that of another current
Main Entry: 2countercurrent Pronunciation: "kaunt-&r-' Function: adjective 1: flowing in an opposite direction 2: involving flow of materials in opposite directions <countercurrent dialysis> countercurrent system of the kidney>